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  2. Human Nature (Michael Jackson song) - Wikipedia

    en.wikipedia.org/wiki/Human_Nature_(Michael...

    help. " Human Nature " is a song performed by American singer-songwriter Michael Jackson, and the fifth single from his sixth solo album, Thriller. The track was produced by Quincy Jones and performed by some band members of Toto with Jackson providing vocals. It was originally written by keyboardist Steve Porcaro, based on a conversation he ...

  3. Human nature - Wikipedia

    en.wikipedia.org/wiki/Human_nature

    Human nature comprises the fundamental dispositions and characteristics—including ways of thinking, feeling, and acting—that humans are said to have naturally. The term is often used to denote the essence of humankind, or what it 'means' to be human. This usage has proven to be controversial in that there is dispute as to whether or not ...

  4. Criticism of the Quran - Wikipedia

    en.wikipedia.org/wiki/Criticism_of_the_Quran

    The Quran is known to contain a number of words the meaning of which is not clear and for which Muslim commentators (and Western scholars) have created "a welter of competing guesses". [119] qaḍb possible meaning "green herbs" of some kind. [120] ʿābb , possible meaning "pasture" [120]

  5. Electromagnetic radiation and health - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_radiation...

    The field strength of electromagnetic radiation is measured in volts per meter (V/m). [ 2]: 139. The most common health hazard of radiation is sunburn, which causes between approximately 100,000 and 1 million new skin cancers annually in the United States. [ 3][ 4] In 2011, the World Health Organization (WHO) and the International Agency for ...

  6. Aberrations of the eye - Wikipedia

    en.wikipedia.org/wiki/Aberrations_of_the_eye

    Spherical aberration is the cause of night myopia and is commonly increased after myopic LASIK and surface ablation. It results in halos around point images. Spherical aberration exacerbates myopia in low light (night myopia). In brighter conditions, the pupil constricts, blocking the more peripheral rays and minimizing the effect of spherical ...

  7. Health effects of sunlight exposure - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_sunlight...

    Health effects of sunlight exposure. Exposing skin to the ultraviolet radiation in sunlight has both positive and negative health effects. On the positive side, exposure allows for the synthesis of vitamin D 3. Vitamin D has been suggested as having a wide range of positive health effects, which include strengthening bones [ 1] and possibly ...

  8. Health threat from cosmic rays - Wikipedia

    en.wikipedia.org/wiki/Health_threat_from_cosmic_rays

    Health threats from cosmic rays are the dangers posed by cosmic rays to astronauts on interplanetary missions or any missions that venture through the Van-Allen Belts or outside the Earth's magnetosphere. [ 1][ 2] They are one of the greatest barriers standing in the way of plans for interplanetary travel by crewed spacecraft, [ 3][ 4][ 5] but ...

  9. Face perception - Wikipedia

    en.wikipedia.org/wiki/Face_perception

    Bruce & Young Model of Face Recognition, 1986. One of the most widely accepted theories of face perception argues that understanding faces involves several stages: [7] from basic perceptual manipulations on the sensory information to derive details about the person (such as age, gender or attractiveness), to being able to recall meaningful details such as their name and any relevant past ...